#pragma once

#include <iostream>
#include <unordered_map>
#include <fstream>
#include <string>
#include "Log.hpp"
#include "InetAddr.hpp"


using namespace LogModule;

const std::string defaultdict = "./dictionary.txt";
const std::string sep = ": ";


class Dict
{
public:
    Dict(const std::string& path = defaultdict)
        :_dict_path(path)
    {}

    // 加载预先准备好的字典
    bool LoadDict()
    {
        std::fstream in(_dict_path);
        if(!in.is_open())
        {
            LOG(LogLevel::ERROR) << "打开字典" << _dict_path << "失败";
            return false;
        }
        std::string line;
        while(std::getline(in, line))
        {
            // english: chinese
            auto pos = line.find(sep);
            if(pos == std::string::npos)
            {
                LOG(LogLevel::WARNING) << "解析: " << line << "失败";
                continue; // 解析失败就跳过这个继续加载后续单词
            }
            std::string english = line.substr(0, pos);
            std::string chinese = line.substr(pos + sep.size());
            if(english.empty() || chinese.empty())
            {
                LOG(LogLevel::WARNING) << "没有有效内容: " << line;
                continue; 
            }

            _dict.insert(std::make_pair(english, chinese));
            LOG(LogLevel::DEBUG) << "加载: " << line;
        }

        in.close();
        return true;
    }

    // 翻译
    std::string Translate(const std::string& word, InetAddr& client)
    {
        auto iter = _dict.find(word);
        if(iter == _dict.end())
        {
            LOG(LogLevel::DEBUG) << "进入到了翻译模块: " << "[" << client.Ip() << ":" << client.Port() << "]" << word << "->None";
            return "None";
        }
        LOG(LogLevel::DEBUG) << "进入到了翻译模块: " << "[" << client.Ip() << ":" << client.Port() << "] " << word << "->" << iter->second;
        return iter->second;  
    }

    ~Dict()
    {}
private:
    std::unordered_map<std::string, std::string> _dict;
    std::string _dict_path; // 路径 + 文件名

};